Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618831 | Composition and method for treating cancer | Tadao Shishido, Masayuki Kawakami, Akihiko Ikegawa, Keizo Koya, Lan Bo Chen | 1997-04-08 |
| 5476945 | Water-soluble methine derivatives of thiazole | Akihiko Ikegawa, Masayuki Kawakami | 1995-12-19 |
| 5424442 | Water-soluble methine compounds useful in photographic silver halide emulsion containing the same | Keizo Koya, Haruo Takei | 1995-06-13 |
| 5385807 | Photopolymerizable composition | Yasuo Okamoto, Syunichi Kondo | 1995-01-31 |
| 5294709 | Methine compounds and methine dyes | Yoshio Inagaki | 1994-03-15 |
| 5250692 | Water-soluble methine compounds useful in photographic silver halide emulsions | Keizo Koya, Haruo Takei | 1993-10-05 |
| 5149619 | Silver halide photographic emulsion | Yuji Mihara | 1992-09-22 |
| 5032500 | Process for the preparation of silver halide photographic emulsion | Tadashi Ikeda, Mitsuo Saitou, Yoshio Inagaki | 1991-07-16 |
| 4987064 | Silver halide photographic materials | Mitsuo Saitou, Tadashi Ikeda | 1991-01-22 |
| 4965170 | Silver halide photographic material and method for forming super high contrast images therewith | Kazuhiro Shirasu, Koki Nakamura, Keizo Koya, Masahiro Okada, Kazunobu Katoh | 1990-10-23 |
| 4956263 | Silver halide photographic material containing a compound capable of releasing a dye | Kunio Ishigaki, Kazunobu Katoh, Nobuaki Inoue, Hisashi Okada, Morio Yagihara +2 more | 1990-09-11 |
| 4925782 | Silver halide photographic light-sensitive element containing water soluble dye compounds | Masahiro Okada, Seiji Suzuki, Keiichi Adachi, Toshiyuki Watanabe, Kunio Ishigaki | 1990-05-15 |
| 4923789 | Silver halide photographic material | Morio Yagihara, Tetunori Matushita, Kazunobu Katoh | 1990-05-08 |
| 4923638 | Near infrared absorbing composition | Shigeru Ohno, Yuji Mihara, Keiichi Adachi, Gouichi Hayashi | 1990-05-08 |
| 4908293 | Superhigh contrast negative type silver halide photographic material | Kazunobu Katoh, Yoshihiro Takagi, Kimitaka Kameoka, Junji Miyata | 1990-03-13 |
| 4820625 | Direct positive silver halide photographic material | Naomi Saeki, Nobuaki Inoue, Yuji Mihara | 1989-04-11 |
| 4731793 | Dye laser | Hisashi Okada | 1988-03-15 |
| 4713316 | Heat-developable photographic materials | Seiiti Kubodera, Hisashi Okada | 1987-12-15 |
| 4677053 | Silver halide photographic materials | Yuji Mihara | 1987-06-30 |
| 4675279 | Silver halide photographic materials containing tabular silver halide grains and a specified sensitizing dye | Sadanobu Shuto, Shunichi Aida | 1987-06-23 |
| 4617257 | Heat developable light-sensitive material | Satoru Sawada | 1986-10-14 |
| 4607003 | Photographic element | Tadahisa Sato, Toshio Kawagishi, Haruo Takei | 1986-08-19 |
| 4596767 | Silver halide photographic light-sensitive material | Yuji Mihara, Shoji Ishiguro | 1986-06-24 |
| 4556633 | Silver halide color light-sensitive materials | Hatsumi Tanemura, Masaki Okazaki, Naoyasu Deguchi, Munehisa Fujita, Kiyohiko Yamamuro | 1985-12-03 |
| 4555481 | Silver halide photographic emulsions containing benzimidazolocarbocyanine dye having fluoroalkyl group at the nitrogen atom of benzimidazole | Masaki Okazaki, Haruo Takei, Ichizo Toya | 1985-11-26 |